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EN 1.4518 Stainless Steel vs. S42300 Stainless Steel

Both EN 1.4518 stainless steel and S42300 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4518 stainless steel and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
9.1
Fatigue Strength, MPa 160
440
Impact Strength: V-Notched Charpy, J 90
13
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 490
1100
Tensile Strength: Yield (Proof), MPa 210
850

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 420
380
Maximum Temperature: Mechanical, °C 1000
750
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 20
9.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
3.2
Embodied Energy, MJ/kg 55
44
Embodied Water, L/kg 160
110

Common Calculations

PREN (Pitting Resistance) 30
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
93
Resilience: Unit (Modulus of Resilience), kJ/m3 100
1840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
39
Strength to Weight: Bending, points 18
30
Thermal Diffusivity, mm2/s 4.1
6.8
Thermal Shock Resistance, points 14
40

Alloy Composition

Carbon (C), % 0 to 0.030
0.27 to 0.32
Chromium (Cr), % 18 to 20
11 to 12
Iron (Fe), % 61.4 to 70
82 to 85.1
Manganese (Mn), % 0 to 1.5
1.0 to 1.4
Molybdenum (Mo), % 3.0 to 3.5
2.5 to 3.0
Nickel (Ni), % 9.0 to 12
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0.2 to 0.3